What will come in place of the question mark (?) in each of the following series?

3 22 ? 673 2696 8093 

Find the next term in the given series.
 1200, 600, 300,  ?

What will come in place of question mark(?) in the following number series?
11, 57, 149, 333, 701 (?)

In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.
2460, 3570, 4680, ?

Complete the series.
TEA, UFB, ?, WHD

What will come in place of question mark(?) in the following number series?
119 , 131, 155, 191, 239, (?)

Direction : In the following question, select the correct answer from the given alternatives.
2, 8, 16, 128, ?

What will come in place of the question mark (?) in each of the following series?

17 52 158 477 ? 4310